3D Finite-Element Analysis of a Bike Crank

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Consider the following bike crank model.

To orient ourselves, the following figure shows the location of a similar bike crank mounted on a bicycle.

Material properties: The bicycle crank's material is aluminum 6061-t6. The Young's modulus is 10,000 ksi, and the Poisson's Ratio is .33.

Boundary conditions: Apply a load of 100 lbf in the y-direction on the right hole surface and fix the 3 left hole surfaces as shown below. Note that this is an approximation of the actual loads and constraints on the bike crank.

Using ANSYS Mechanical, determine the following:

• Deformed shape Displacement and displacement field

• Stress distribution

  Wiki Markup{latex}$\sigma_x(x,y,z)${latex}

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